25567416 has 72 divisors (see below), whose sum is σ = 80561520. Its totient is φ = 7303968.

The previous prime is 25567397. The next prime is 25567427. The reversal of 25567416 is 61476552.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 96 + ... + 7151.

It is an arithmetic number, because the mean of its divisors is an integer number (1118910).

Almost surely, 2^25567416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25567416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40280760).

25567416 is an abundant number, since it is smaller than the sum of its proper divisors (54994104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25567416 is a wasteful number, since it uses less digits than its factorization.

25567416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7273 (or 7259 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 25567416 is about 5056.4232417787. The cubic root of 25567416 is about 294.5974246328.

The spelling of 25567416 in words is "twenty-five million, five hundred sixty-seven thousand, four hundred sixteen".